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39 Cards in this Set
- Front
- Back
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Flexor digitorum profundus |
Origin- upper 3/4th of the ulnaInsertion- distal phalanx of the 4 fingers Innervation - ulnar and median nerveAxtion- flexes all three joints of the fingers |
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Flexor carpi ulnaris |
Origin- medial epicondyle of the humerus Insertion- pisiform and the base of the 5th metacarpal Innervation- ulnar nerve Action- wrist flexion and ulnar deviation |
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Flexor carpi radialis |
Origin- medial epicondyle of the humerus Insertion- base of the 2nd and 3rd metacarpals Innervation- median nerve Action- wrist flexion, radial deviation |
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Flexor digitorum superficialis |
Origin- common flexor tendon on the medial epicondyle, coronoid process, and radius Insertion- sides of the middle phalanx of the four fingers Innervation- median nerve Action- flexes the MCP and PIP joints of the fingers |
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Lavator scapula |
Origin- transverse process of the first four cervical vertebrae Insertion- vertebral border of the scapula between the superior angle and spine Innervation- third and fourth cervical nerves and dorsal scapular nerves Action- scapular elevation and downward rotation |
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Pectoralis minor |
Origin- anterior surface of third through the fifth ribs Insertion- coracoid process of the scapula Innervation- medial pectoral nerve Action- scapular depression, protraction, downward rotation, and tilt |
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Extensor carpi radialis longus |
Origin- supracondylar Ridge of the humerus Insertion- base of the 2nd metacarpal Innervation- radial nerve Action- wrist extention, radial deviation |
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Serratus anterior |
Origin- lateral surface of the upper eight ribs Insertion- vertebral border of the scapula, anterior surface Innervation- long thoracic nerve Action- scapular protraction and upward rotation |
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Extensor carpi radialis brevis |
Origin- lateral epicondyle of the humerus Insertion- base of the 3rd metacarpal Innervation- radial nerve Action- wrist extention |
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Rhomboid |
Origin- spinous process of c7 through t5 Insertion- vertebral border of scapula between the spine and inferior angle Innervation- dorsal scapular nerve Action- scapular retraction, elevation, and downward rotation |
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Lower trapezius |
Origin- spinous process of middle and lower thoracic vertebrae Insertion- base of the scapular spine Innervation- spinal accessory Action- scapular depression and upward rotation |
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Middle trapezius |
Origin- spinous process of c7 through t3 Insertion- scapular spine Innervation- spinal accessory Action- scapular retraction |
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Upper trapezius |
Origin- occipital bone, nuchal ligament on upper cervical spinous process Insertion- outer third clavicle, acromion process Innervation- spinal accessory |
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Pronator quadratus |
Origin- distal 1/4 of the ulna Insertion- distal 1/4 of the radius Innervation- median nerve Action- forearm pronation |
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Pronator teres |
Origin- medial epicondyle of the humerus and coronoid process of the ulna Insertion- lateral aspect of radius at its midpoint Innervation- medial nerve Action- forearm pronation, assists in elbow flextion |
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Supinator |
Origin- lateral epicondyle of the humerus and adjacent ulna Insertion- anterior surface of the proximal radius Innervation- radial nerve Action- forearm supination |
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Triceps |
Origin- long head: infraglenoid tubercle of the scapula Lateral head: posterior surface of humerus Medial head: posterior surface of humerus Insertion- olecranon process of ulna Innervation- radial nerve Action- elbow extension |
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Brachioradialis |
Origin- lateral supracondylar ridge on the humerus Insertion- styloid process of the radius Innervation- radial nerve Action- elbow flexion |
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Brachialis |
Origin- distal half of humerus, anterior surface Insertion- coronoid process and ulnar tuberosity of the ulna Innervation- musculocutaneous nerve Action- elbow flexion |
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Biceps |
Origin- long head: supraglenoid tubercle of the scapula Short head: coronoid process of the scapula Insertion- radial tuberosity Innervation- musculocutaneous nerve Action-elbow flexion, forearm supination |
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Abductor pollicis |
Origin- capitate, base of 2nd metacarpal, palmar surface of the 3rd metacarpal Insertion- base of proximal phalanx of the thumb Innervation- ulnar nerve Action- abducts thumb(cmc joint) |
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Opponens pollicis |
Origin- trapezium and flexor retinaculum Innervation- first metacarpal Insertion- medial nerve Action- opposes thumb(cmc joint) |
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Coracobrachialis |
Origin- coracoid process of the scapula Insertion- medial surface of the humerus near the midpoint Innervation- musculocutaneous nerve Action- stabilizes the shoulder joint |
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Extensor pollicis brevis |
Origin- posterior distal radius Insertion- base of the proximal phalanx of the thumb Innervation- radial nerve Action- extends CMC and MCP joints of thumb |
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Latissimus dorsi |
Origin- spinous process of T7 through L5 Insertion- medial floor of the bicipital groove of humerus Innervation- thoracodorsal nerve Action- shoulder extention, adduction, medial rotation, hyperextention |
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Extensor pollicis longus |
Origin- middle posterior ulna and interosseous membrane Insertion- base of distal phalanx of the thumb Innervation- radial nerve Action- extends all three joints of the thumb |
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Teres major |
Origin- axillary border of scapula near the inferior angle Insertion- Crest below lesser tubercle inferior to the latissimus dorsi muscle attachment Innervation- lower subscapular Action- shoulder extention, adduction, and medial rotation |
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Abductor pollicis longus |
Origin- posterior radius, interosseous membrane, middle ulna Insertion- base of the 1st metacarpal Innervation- radial nerve Action- abducts thumb (CMC joint) |
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Supraspinatus |
Origin- supraspinous fossa of the scapula Insertion- greater tubercle of the humerus Innervation- suprascapular nerve Action: shoulder abduction |
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Flexor pollicis longus |
Origin- radius, anterior surface Insertion- distal phalanx of the thumb Innervation- median nerve Action- flexes all three joints of the thumb |
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Infraspinatus |
Origin- infraspinatus fossa of scapula Insertion- greater tubercle of humerus Innervation- suprascapular nerve Action- shoulder lateral rotation, horizontal abduction |
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Extensor digiti minimi |
Origin- lateral epicondyle of humerus Insertion- base of distal phalanx of fifth finger Innervation- radial nerve Action- extends all three joints of 5th finger |
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Teres minor |
Origin- axillary border of scapula Insertion- greater tubercle of humerus Innervation- axillary nerve Action- shoulder lateral rotation, horizontal abduction |
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Extensor indicis |
Origin- distal ulna Insertion- base of distal phalanx of the second finger Innervation- radial nerve Action- extends all three joints of the second finger |
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Subscapularis |
Origin- subscapular fossa of the scapula Insertion- lesser tubercle of the humerus Innervation- upper and lower subscapular nerve Action- shoulder medial rotation |
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Posterior deltoid |
Origin- spine of scapula Insertion- deltoid tuberosity Innervation- axillary nerve Action- shoulder abduction, extension, hyperextention, lateral rotation, horizontal abduction |
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Middle deltoid |
Origin- acromion process Insertion- deltoid tuberosity Innervation- axillary nerve Action- shoulder abduction |
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Anterior deltoid |
Origin- lateral third of the clavicle Insertion- deltoid tuberosity Innervation- axillary nerve Action- shoulder abduction, flexion, medial rotation, horizontal adduction |
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Pectoralis major |
Origin- clavicular portion: medial third of clavicle Sternal portion: sternum, coastal cartilage of first 6 ribs Insertion- lateral lip of bicipital groove of humerus Innervation: lateral and medial pectoral nerve Action- shoulder adduction, medial rotation, horizontal adduction |
